Liability for Contingent Consideration (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 19, 2012	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2016	Mar. 31, 2015	Jan. 19, 2015	Jun. 10, 2014
Business Acquisition [Line Items]
Stock price							$ 1.85	$ 1.85	$ 1.70	$ 1.90
Change in liability for contigent consideration					$ 336,000
Winthrop [Member]
Business Acquisition [Line Items]
Cash paid	$ 236,000
Change in liability for contigent consideration	$ 336,000		$ 532,000
Winthrop [Member] | Nonspecified Stock Holder [Member]
Business Acquisition [Line Items]
Issuance of common stock in connection with acquisition, shares		852,228
Contingent consideration, maximum value of shares		$ 1,900,000
Stock price		$ 2.23
Expected volatility						50.00%
Risk-free interest rate						0.25%
Fair value of contingent liability						$ 572,000